Results 51 to 60 of about 7,832 (161)

Breve apunte acerca de un manuscrito ornitológico redactado por Philip W. Munn durante su exilio en Portugal (1941-1945): The birds of the Balearic Islands (June, 1943) [PDF]

open access: yes, 2012
Se presenta un bosquejo acerca de un documento de excepcional valor histórico para la ornitología balear: el manuscrito de Las Aves de las Islas Baleares (1943), redactado en inglés por el ornitólogo británico Philip Winchester Munn durante su exilio ...
Reig-Ferrer, Abilio   +1 more
core   +1 more source

Assessing the Corn Belt as an anthropogenic barrier to migrating landbirds in the United States

open access: yesConservation Biology, Volume 39, Issue 5, October 2025.
Abstract Migrating landbirds adjust their flight and stopover behaviors to efficiently cross inhospitable geographies, such as the Gulf of Mexico and the Sahara Desert. In addition to these natural barriers, birds may increasingly encounter anthropogenic barriers created by large‐scale changes in land use. One such barrier could be the Corn Belt in the
Fengyi Guo   +7 more
wiley   +1 more source

COMPARACIÓN GEOGRÁFICA Y TEMPORAL DE LA AVIFAUNA DE LA SERRANÍA DE LA PAZ EN SANTANDER, COLOMBIA

open access: yesActa Biológica Colombiana
En Santander, Colombia, asociado al valle del Magdalena Medio se presentan serranías con remanentes boscosos que contrastan con las zonas deforestadas de las partes bajas.
Enrique Arbeláez-Cortés   +3 more
doaj   +1 more source

La colección oológica de Aves no Passeriformes del Museo de La Plata

open access: yesRevista del Museo de La Plata, 2016
El Museo de La Plata posee una extensa variedad de colecciones, preservando alrededor de 3000000 de ejemplares, los cuales revisten importancia cultural y científica. Entre ellas, la colección de aves cuenta con una gran diversidad de pieles de estudio (
Olga Magalí Olmedo Masat   +3 more
doaj   +1 more source

A case of partial leucism in the American Barn Owl (Tyto furcata) (Temminck, 1827), from Buenos Aires province, Argentina [PDF]

open access: yes, 2014
The diverse colorations of a birds’ plumage are due to either structural colors or pigments that are synthesized in specialized cells or incorporated through the diet.
Chiale, Maria Cecilia   +1 more
core  

Local bird traits match fruit traits of two alien plants in urban fruit-frugivore interactions

open access: yesEcología Austral, 2023
Bird-mediated seed dispersal enhances invasions of many alien plant species. Typically, this mutualism is composed of a generalist assemblage of frugivorous birds in which morphological trait matching between bird and plant species is often thought to ...
Facundo X. Palacio, Diego Montalti
doaj   +1 more source

Guía y modelo para la sistematización de la bibliografía ornitológica argentina y neotropical. II [PDF]

open access: yes, 1983
Guide and Pattern for the Classification ot Argentine and Neotropical Otnithological Bibliography. In this paper, 79 works related to Ornithology, which were published in Neotropica (Notas Zoológicas Americanas, Sociedad Zoológica del Plata, La Plata ...
Daciuk, Juan, Heber, Eduardo A.
core   +2 more sources

Changes in land cover drove the recent range expansion of a tropical farmland bird

open access: yesOikos, Volume 2025, Issue 9, September 2025.
Several bird species associated with agricultural landscapes in the Palearctic and in the Nearctic (i.e. farmland birds) have been experiencing severe population declines since the 1970s, mainly due to habitat loss driven by agricultural intensification.
Luana Jéssica Ferreira   +4 more
wiley   +1 more source

Trophic ecology of Athene cunicularia and Tyto alba in Curru-Mahuida hill, Monte- Espinal ecotone, La Pampa, Argentina [PDF]

open access: yes, 2012
Se analizó la dieta de Athene cunicularia y Tyto alba en un área de ecotono entre elMonte y el Espinal en la provincia de La Pampa, Argentina. Se identificaron 747 presas de Athenecunicularia y 563 de Tyto alba, pertenecientes a las clases Mammalia ...
Costan, Andrea Silvina   +3 more
core   +1 more source

Fishermen´s perceptions of interactions between seabirds and artisanal fisheries in the Chonos archipelago, Chilean Patagonia [PDF]

open access: yes, 2013
Interactions between seabirds and commercial fishing activities have been well documented but little information is available regarding the impacts of more traditional fishing practices on seabird populations.
Arriagada, Aldo M.   +4 more
core   +1 more source

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